13.200 ECED Tri4; Long, Robert H.; Unpublished; L/W=1.015; H/W=0.555; Vol/W³=0.160; 96 index; 37+9 facets; Uses indexing 0-4, last of the series
13.201 ECED Tri 6 Mod; Long, Robert H.; Unpublished; L/W=1.035; H/W=0.616; Vol/W³=0.202; 96 index; 37+9 facets; Different cutting sequence
13.202 ECED TRI 8 MOD; Long, Robert H.; Unpublished; L/W=1.077; H/W=0.745; Vol/W³=0.299; 96 index; 37+9 facets; Different cutting sequence
13.203 Chevron Trilliant; Wolkonsky, A. and van Zanten, P; Personal communication from AW to RWS, 2016; L/W=1.001; H/W=0.727; Vol/W³=0.264; 96 index; 58+12 facets; Pavilion similar to 13.045 by R.H. Long
13.204 Horiz. Split Trilliant; Rivard, Paul and van Zanten, P.; Personal communication from AW to RWS, 2016; L/W=1.001; H/W=0.664; Vol/W³=0.231; 96 index; 73+12 facets; OMNI sequence and pavilion by R.H. Long, 13.045A
13.205 Trilliant Triangles; van Zanten, Piet; Personal communication from AW to RWS, 2016; L/W=1.001; H/W=0.647; Vol/W³=0.209; 96 index; 61+12 facets; Pavilion
13.205A Trilliant Triangles Omni; van Zanten, Piet and Strickland, R.; Variant of 13.205; L/W=1.001; H/W=0.701; Vol/W³=0.225; 96 index; 64+12 facets; Original had floating facets and higher crown angles
13.207 Chevron Trilliant Vert. Split; van Zanten, Piet and Long, R.H.; Personal communication from AW to RWS, 2016; L/W=1.001; H/W=0.727; Vol/W³=0.264; 96 index; 61+12 facets;